Calculator category
Filter Calculators
Design and analyze passive and active electronic filters, cutoff frequencies, bandwidth, resonance, and frequency response.
Available Calculators
12
In Development
0
Coming Soon
0
Calculators
Available tools link to working calculators. In-development and coming-soon tools show the current roadmap for this category.
PurposeCalculate filter Q factor, bandwidth, center frequency, cutoff frequencies, fractional bandwidth, and damping ratio reference values.
InputFrequency / Value
OutputImpedance / Frequency
PurposeAnalyze ideal series and parallel RLC resonance, Q factor, bandwidth, impedance, magnitude response, phase, and frequency sweep tables.
InputFrequency / Value
OutputImpedance / Frequency
PurposeAnalyze ideal RL low-pass and high-pass filters, cutoff frequency, time constant, inductive reactance, impedance, gain, phase, component values, and sweep tables.
InputFrequency / Value
OutputImpedance / Frequency
PurposeAnalyze loaded LC low-pass and high-pass filters, characteristic frequency, Q factor, damping, actual -3 dB frequency, peaking, component values, and sweep tables.
InputFrequency / Value
OutputImpedance / Frequency
PurposeDesign and analyze ideal second-order Sallen-Key low-pass filters, including natural frequency, Q, damping, Butterworth gain, peaking, op-amp gain resistors, and sweep tables.
InputFrequency / Value
OutputImpedance / Frequency
PurposeDesign and analyze ideal second-order Sallen-Key high-pass filters, including natural frequency, Q, damping, Butterworth gain, passband-relative cutoff, op-amp gain resistors, and sweep tables.
InputFrequency / Value
OutputImpedance / Frequency
PurposeDesign and analyze ideal second-order multiple-feedback active band-pass filters with center frequency, Q, bandwidth, center gain, exact half-power frequencies, phase, and sweep tables.
InputFrequency / Value
OutputImpedance / Frequency
PurposeDesign balanced Twin-T notch filters, calculate 50 Hz and 60 Hz rejection targets, estimate notch frequency, component ratios, tolerance envelope, Q, bandwidth, and ideal response.
InputFrequency / Value
OutputImpedance / Frequency
PurposeCalculate Butterworth filter order, cutoff frequency, low-pass and high-pass response, normalized poles, stage Q values, and bounded sweep tables.
InputFrequency / Value
OutputImpedance / Frequency
PurposeCalculate PWM average voltage, RC cutoff, carrier attenuation, exact steady-state ripple, settling time, and harmonic components.
InputVoltage / Current
OutputValue / Margin
PurposePlan ADC anti-alias filters with Nyquist frequency, alias folding, guard band, Butterworth order, and residual alias targets.
InputFrequency / Value
OutputImpedance / Frequency
PurposeAnalyze passive CLC and CRC pi filters for ripple attenuation, loaded response, resonance reference, DC voltage drop, and sweep behavior.
InputVoltage / Current
OutputValue / Margin
Engineering Applications
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